edit index.textile

1. to remove not or no longer accurate information
   about this book and this translation project

2. to add the information about the original support site
   and this translation project.

Author: ocha-

index.textile

@@ -7,7 +7,7 @@ h2. Table of contents
 Some chapters are previews. It means they have not been fully reviewed,
 some diagrams may be missing and some sentences may be a little
 rough. But it also means they are in open review, so do not hesitate
-to address issues on the mailing list.
+to address issues.
 
 * "Preface":preface.html
 * "Introduction":intro.html
@@ -47,34 +47,31 @@ h3. Part 4: Around the evaluator
 
 h1. About this Guide
 
-This is a new effort to gather efforts to help translate into English the "Ruby
-Hacking Guide":http://i.loveruby.net/ja/rhg/book/. The RHG is a book
-that explains how the ruby interpreter (the official
-C implementation of the "Ruby language":http://www.ruby-lang.org/) works
-internally.
+This is a new effort to gather efforts to help translate
+"Ruby Hacking Guide":http://i.loveruby.net/ja/rhg/book/ into English.
 
+The official support site of the original book is
+http://i.loveruby.net/ja/rhg/
 
-To fully understand it, you need a good knowledge of C and Ruby. 
+You can download the version of the source code explained and
+the tool used in the book
+from the official support site of the original book.
+* "ruby (1.7.3 2002-09-12) in tar.gz format":http://i.loveruby.net/ja/rhg/ar/ruby-rhg.tar.gz
+* "ruby (1.7.3 2002-09-12) in zip format":http://i.loveruby.net/ja/rhg/ar/ruby-rhg.tar.gz
+* "Pragmatic Programmers' nodeDump 0.1.7":http://i.loveruby.net/ja/rhg/ar/nodeDump-0.1.7.tgz
+* "RHG-version nodedump":http://i.loveruby.net/ja/rhg/ar/nodedump-rhg.tar.gz
 
-Please note that this book was based on the source code of ruby 1.7.3
-so there are a few small differences to the current version of
-ruby. However, these differences may make the source code simpler to
-understand and the Ruby Hacking Guide is a good starting point before
-looking into the ruby source code. The version of the source code used
-can be downloaded here: http://i.loveruby.net/ja/rhg/ar/ruby-rhg.tar.gz.
+The original translating project is hosted at RubyForge
+http://rubyforge.org/projects/rhg
 
 Many thanks to "RubyForge":http://rubyforge.org for hosting us and to
 Minero AOKI for letting us translate his work.
 
-h2. Help us!
+You can get further information about this project from
+"the archives of rhg-discussion mailing list":http://rubyforge.org/pipermail/rhg-discussion/
 
-The original is available "here":http://i.loveruby.net/ja/rhg/book/
-or hosted within this repo "here":http://ruby-hacking-guide.github.com/original_repo/ja_html/
-(currently with broken formatting)
 
-This translation is done during our free time, do not expect too
-much. The book is quite big (more than 500 pages) so we need help to
-translate it.
+h2. Help us!
 
 People who are good at Ruby, C and Japanese or English are
 needed. Those good at Japanese (native Japanese speakers are of course
@@ -94,7 +91,7 @@ https://github.com/ruby-hacking-guide/ruby-hacking-guide.github.com
 There is a mostly derelict mailing list at
 "rhg-discussion mailing list":http://rubyforge.org/mailman/listinfo/rhg-discussion
 feel free to introduce yourself (who you are, your skills, how much free time you
-have), but I think the best way to propose or send corrections/improvements
+have), but we think the best way to propose or send corrections/improvements
 is to send a pull request. If you start a feature branch along with a pull
 request at the start of your work then people can comment as you work.